74965487980

素因数分解:

$2^2\times 5^1\times {\mathrm{2179}}^1\times {\mathrm{1720181}}^1$

素因数の和:1722369

約数の個数: 24

約数和(自身を含む): 157499863920

約数和(自身を除く): 82534375940

約数列:

[1, 2, 4, 5, 10, 20, 2179, 4358, 8716, 10895, 21790, 43580, 1720181, 3440362, 6880724, 8600905, 17201810, 34403620, 3748274399, 7496548798, 14993097596, 18741371995, 37482743990, 74965487980]

約数ペア:

[(1, 74965487980), (2, 37482743990), (4, 18741371995), (5, 14993097596), (10, 7496548798), (20, 3748274399), (2179, 34403620), (4358, 17201810), (8716, 8600905), (10895, 6880724), (21790, 3440362), (43580, 1720181)]